package com.kaifamiao.demo.d0820;

import java.util.*;
import java.util.concurrent.ConcurrentHashMap;

public class Demo03 {

    public static void main(String[] args) {
        List list = new ArrayList();
        List list1 = new ArrayList();

        list.add("范智林");
        list1.add(45);

        Map map = new HashMap();

        map.put("范智林", 45);
        map.put("王超", 65);
        map.put("王晶晶", 80);

        System.out.println(map);

    }
}
